Which of the following data is not required to prepare an estimate?

Single units work such as doors and windows are expressed in ____

Unit of measurement of rainwater pipe is ____

Unit of measurement for damp proof course is ________

In long wall-short wall method, the length of the long wall is calculated after the addition of _____ to its centre line…

The rules for measurement of all items are described in ___

In earthwork calculations, the average horizontal distance between the centre of deposition and the centre of excavation…

Unit of measurement of asbestos cement sheet roofing is ______